/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% X X PPPP SSSSS %
% X X P P SS %
% X PPPP SSS %
% X X P SS %
% X X P SSSSS %
% %
% %
% Read/Write Microsoft XML Paper Specification Format %
% %
% Software Design %
% Cristy %
% January 2008 %
% %
% %
% Copyright 1999-2019 ImageMagick Studio LLC, a non-profit organization %
% dedicated to making software imaging solutions freely available. %
% %
% You may not use this file except in compliance with the License. You may %
% obtain a copy of the License at %
% %
% https://imagemagick.org/script/license.php %
% %
% Unless required by applicable law or agreed to in writing, software %
% distributed under the License is distributed on an "AS IS" BASIS, %
% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
% See the License for the specific language governing permissions and %
% limitations under the License. %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%
*/
/*
Include declarations.
*/
#include "MagickCore/studio.h"
#include "MagickCore/artifact.h"
#include "MagickCore/blob.h"
#include "MagickCore/blob-private.h"
#include "MagickCore/color.h"
#include "MagickCore/color-private.h"
#include "MagickCore/colorspace.h"
#include "MagickCore/constitute.h"
#include "MagickCore/delegate.h"
#include "MagickCore/draw.h"
#include "MagickCore/exception.h"
#include "MagickCore/exception-private.h"
#include "MagickCore/geometry.h"
#include "MagickCore/image.h"
#include "MagickCore/image-private.h"
#include "MagickCore/list.h"
#include "MagickCore/magick.h"
#include "MagickCore/memory_.h"
#include "MagickCore/monitor.h"
#include "MagickCore/monitor-private.h"
#include "MagickCore/option.h"
#include "MagickCore/profile.h"
#include "MagickCore/property.h"
#include "MagickCore/resource_.h"
#include "MagickCore/quantum-private.h"
#include "MagickCore/static.h"
#include "MagickCore/string_.h"
#include "MagickCore/module.h"
#include "MagickCore/token.h"
#include "MagickCore/transform.h"
#include "MagickCore/utility.h"
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e a d X P S I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ReadXPSImage() reads a Printer Control Language image file and returns it.
% It allocates the memory necessary for the new Image structure and returns a
% pointer to the new image.
%
% The format of the ReadXPSImage method is:
%
% Image *ReadXPSImage(const ImageInfo *image_info,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o image_info: the image info.
%
% o exception: return any errors or warnings in this structure.
%
*/
static Image *ReadXPSImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
#define CropBox "CropBox"
#define DeviceCMYK "DeviceCMYK"
#define MediaBox "MediaBox"
#define RenderXPSText " Rendering XPS... "
char
command[MagickPathExtent],
*density,
filename[MagickPathExtent],
geometry[MagickPathExtent],
*options,
input_filename[MagickPathExtent];
const DelegateInfo
*delegate_info;
Image
*image,
*next_image;
ImageInfo
*read_info;
MagickBooleanType
cmyk,
status;
PointInfo
delta;
RectangleInfo
bounding_box,
page;
register char
*p;
register ssize_t
c;
SegmentInfo
bounds;
size_t
height,
width;
ssize_t
count;
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickCoreSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickCoreSignature);
/*
Open image file.
*/
image=AcquireImage(image_info,exception);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
status=AcquireUniqueSymbolicLink(image_info->filename,input_filename);
if (status == MagickFalse)
{
ThrowFileException(exception,FileOpenError,"UnableToCreateTemporaryFile",
image_info->filename);
image=DestroyImageList(image);
return((Image *) NULL);
}
/*
Set the page density.
*/
delta.x=DefaultResolution;
delta.y=DefaultResolution;
if ((image->resolution.x == 0.0) || (image->resolution.y == 0.0))
{
GeometryInfo
geometry_info;
MagickStatusType
flags;
flags=ParseGeometry(PSDensityGeometry,&geometry_info);
image->resolution.x=geometry_info.rho;
image->resolution.y=geometry_info.sigma;
if ((flags & SigmaValue) == 0)
image->resolution.y=image->resolution.x;
}
/*
Determine page geometry from the XPS media box.
*/
cmyk=image->colorspace == CMYKColorspace ? MagickTrue : MagickFalse;
count=0;
(void) memset(&bounding_box,0,sizeof(bounding_box));
(void) memset(&bounds,0,sizeof(bounds));
(void) memset(&page,0,sizeof(page));
(void) memset(command,0,sizeof(command));
p=command;
for (c=ReadBlobByte(image); c != EOF; c=ReadBlobByte(image))
{
if (image_info->page != (char *) NULL)
continue;
/*
Note XPS elements.
*/
*p++=(char) c;
if ((c != (int) '/') && (c != '\n') &&
((size_t) (p-command) < (MagickPathExtent-1)))
continue;
*p='\0';
p=command;
/*
Is this a CMYK document?
*/
if (LocaleNCompare(DeviceCMYK,command,strlen(DeviceCMYK)) == 0)
cmyk=MagickTrue;
if (LocaleNCompare(CropBox,command,strlen(CropBox)) == 0)
{
/*
Note region defined by crop box.
*/
count=(ssize_t) sscanf(command,"CropBox [%lf %lf %lf %lf",
&bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
if (count != 4)
count=(ssize_t) sscanf(command,"CropBox[%lf %lf %lf %lf",
&bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
}
if (LocaleNCompare(MediaBox,command,strlen(MediaBox)) == 0)
{
/*
Note region defined by media box.
*/
count=(ssize_t) sscanf(command,"MediaBox [%lf %lf %lf %lf",
&bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
if (count != 4)
count=(ssize_t) sscanf(command,"MediaBox[%lf %lf %lf %lf",
&bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
}
if (count != 4)
continue;
/*
Set XPS render geometry.
*/
width=(size_t) (floor(bounds.x2+0.5)-ceil(bounds.x1-0.5));
height=(size_t) (floor(bounds.y2+0.5)-ceil(bounds.y1-0.5));
if (width > page.width)
page.width=width;
if (height > page.height)
page.height=height;
}
(void) CloseBlob(image);
/*
Render XPS with the GhostXPS delegate.
*/
if ((page.width == 0) || (page.height == 0))
(void) ParseAbsoluteGeometry(PSPageGeometry,&page);
if (image_info->page != (char *) NULL)
(void) ParseAbsoluteGeometry(image_info->page,&page);
(void) FormatLocaleString(geometry,MagickPathExtent,"%.20gx%.20g",(double)
page.width,(double) page.height);
if (image_info->monochrome != MagickFalse)
delegate_info=GetDelegateInfo("xps:mono",(char *) NULL,exception);
else
if (cmyk != MagickFalse)
delegate_info=GetDelegateInfo("xps:cmyk",(char *) NULL,exception);
else
delegate_info=GetDelegateInfo("xps:color",(char *) NULL,exception);
if (delegate_info == (const DelegateInfo *) NULL)
{
image=DestroyImage(image);
return((Image *) NULL);
}
density=AcquireString("");
options=AcquireString("");
(void) FormatLocaleString(density,MagickPathExtent,"%gx%g",
image->resolution.x,image->resolution.y);
if ((page.width == 0) || (page.height == 0))
(void) ParseAbsoluteGeometry(PSPageGeometry,&page);
if (image_info->page != (char *) NULL)
(void) ParseAbsoluteGeometry(image_info->page,&page);
page.width=(size_t) floor(page.width*image->resolution.y/delta.x+0.5);
page.height=(size_t) floor(page.height*image->resolution.y/delta.y+0.5);
(void) FormatLocaleString(options,MagickPathExtent,"-g%.20gx%.20g ",(double)
page.width,(double) page.height);
image=DestroyImage(image);
read_info=CloneImageInfo(image_info);
*read_info->magick='\0';
if (read_info->number_scenes != 0)
{
if (read_info->number_scenes != 1)
(void) FormatLocaleString(options,MagickPathExtent,"-dLastPage=%.20g",
(double) (read_info->scene+read_info->number_scenes));
else
(void) FormatLocaleString(options,MagickPathExtent,
"-dFirstPage=%.20g -dLastPage=%.20g",(double) read_info->scene+1,
(double) (read_info->scene+read_info->number_scenes));
read_info->number_scenes=0;
if (read_info->scenes != (char *) NULL)
*read_info->scenes='\0';
}
(void) CopyMagickString(filename,read_info->filename,MagickPathExtent);
(void) AcquireUniqueFilename(read_info->filename);
(void) FormatLocaleString(command,MagickPathExtent,
GetDelegateCommands(delegate_info),
read_info->antialias != MagickFalse ? 4 : 1,
read_info->antialias != MagickFalse ? 4 : 1,density,options,
read_info->filename,input_filename);
options=DestroyString(options);
density=DestroyString(density);
status=ExternalDelegateCommand(MagickFalse,read_info->verbose,command,
(char *) NULL,exception) != 0 ? MagickTrue : MagickFalse;
image=ReadImage(read_info,exception);
(void) RelinquishUniqueFileResource(read_info->filename);
(void) RelinquishUniqueFileResource(input_filename);
read_info=DestroyImageInfo(read_info);
if (image == (Image *) NULL)
ThrowReaderException(DelegateError,"XPSDelegateFailed");
if (LocaleCompare(image->magick,"BMP") == 0)
{
Image
*cmyk_image;
cmyk_image=ConsolidateCMYKImages(image,exception);
if (cmyk_image != (Image *) NULL)
{
image=DestroyImageList(image);
image=cmyk_image;
}
}
do
{
(void) CopyMagickString(image->filename,filename,MagickPathExtent);
image->page=page;
next_image=SyncNextImageInList(image);
if (next_image != (Image *) NULL)
image=next_image;
} while (next_image != (Image *) NULL);
return(GetFirstImageInList(image));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e g i s t e r X P S I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% RegisterXPSImage() adds attributes for the Microsoft XML Paper Specification
% format to the list of supported formats. The attributes include the image
% format tag, a method to read and/or write the format, whether the format
% supports the saving of more than one frame to the same file or blob,
% whether the format supports native in-memory I/O, and a brief
% description of the format.
%
% The format of the RegisterXPSImage method is:
%
% size_t RegisterXPSImage(void)
%
*/
ModuleExport size_t RegisterXPSImage(void)
{
MagickInfo
*entry;
entry=AcquireMagickInfo("XPS","XPS","Microsoft XML Paper Specification");
entry->decoder=(DecodeImageHandler *) ReadXPSImage;
entry->flags^=CoderAdjoinFlag;
entry->flags^=CoderBlobSupportFlag;
entry->flags^=CoderDecoderThreadSupportFlag;
(void) RegisterMagickInfo(entry);
return(MagickImageCoderSignature);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% U n r e g i s t e r X P S I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% UnregisterXPSImage() removes format registrations made by the XPS module
% from the list of supported formats.
%
% The format of the UnregisterXPSImage method is:
%
% UnregisterXPSImage(void)
%
*/
ModuleExport void UnregisterXPSImage(void)
{
(void) UnregisterMagickInfo("XPS");
}